You find a job that matches your experience, spend time updating your resume, and submit your application. A few minutes later, you receive a confirmation email. Then comes the waiting.
But what actually happens after you click Submit?
Does a computer immediately scan your resume? Does software compare your qualifications against the job description? Can an automated system reject your application before a recruiter even sees it?
These questions are common among job seekers, especially those who have heard about applicant tracking systems (ATS) but do not understand how they work.
Applicant tracking systems are an important part of modern recruitment. They help employers collect applications, organize candidate information, search resumes, and manage different stages of hiring. Some platforms also offer automated screening and AI-assisted candidate matching.
However, not every ATS works the same way, and the software does not necessarily make every hiring decision.
Understanding the actual process can help you create a resume that communicates your qualifications clearly and makes it easier for recruiters to identify your experience.
1. What Is an Applicant Tracking System (ATS)?
An applicant tracking system is software that employers use to manage their recruitment and hiring activities.
Instead of keeping hundreds or thousands of resumes in separate email accounts and folders, recruiters can use an ATS to store applications, organize candidate information, monitor hiring progress, and communicate with applicants.
Popular recruiting platforms include Workday, Greenhouse, and Lever.
Depending on the system and how an employer configures it, an ATS may support several activities:
Publishing job openings on company career pages and external job boards.
Collecting online applications and resumes.
Extracting information from uploaded documents.
Organizing candidate profiles and employment history.
Searching applications using keywords and qualifications.
Filtering candidates using selected criteria.
Scheduling interviews and recording recruiter feedback.
Tracking candidates from application through hiring.
For employers receiving a large number of applications, having this information organized in one platform can make recruitment easier to manage.
For job seekers, however, it introduces another consideration: your resume needs to communicate your qualifications in a format that software can process and people can understand.
2. How Does an Applicant Tracking System Process Your Resume?
One of the most important ATS functions is resume parsing.
Resume parsing is the process of extracting information from an uploaded resume and organizing it into individual fields within a candidate's profile.
Instead of requiring recruiters to manually copy every detail from every document, the software attempts to identify relevant information automatically.
Step 1: You Submit Your Application
The process begins when you apply through a company's career website, an integrated job board, or another recruitment channel.
You typically provide information such as:
Full name and contact information.
Employment history.
Educational background.
Professional experience.
Skills and qualifications.
Answers to employer-specific application questions.
Resume and other requested documents.
Your information is then collected and stored in the employer's recruiting system.
Some platforms allow applicants to reuse information from previous applications, while others require additional details for each position.
Step 2: The System Parses Your Resume
After uploading your resume, the ATS may extract information such as your name, contact details, previous employers, job titles, and other employment-related information.
For example, consider this resume entry:
Customer Service Representative
ABC Solutions | January 2023 – December 2025
Responded to customer inquiries through email and telephone.
Resolved service-related concerns.
Maintained customer records and updated internal databases.
The system attempts to identify and organize the information into the appropriate candidate profile fields.
Workday's official documentation explains that its resume-parsing functionality populates candidate information from uploaded resumes. It also acknowledges that parsing results can vary depending on document formatting and the order of words.
This is why resume readability matters.
Step 3: Your Information Becomes Part of a Searchable Candidate Profile
Once information has been extracted, it can become part of a structured candidate record.
Recruiters may be able to search for particular job titles, employers, skills, qualifications, or other details without opening every resume individually.
However, parsing is not the same as evaluating your overall suitability.
A system may successfully extract your work history and contact information without determining whether you are the best candidate for a particular position.
The original resume can also remain available for recruiters to inspect.
3. How Do ATS Keywords Work?
Keywords are another important part of applicant tracking systems.
When recruiters review applicants, they may search for particular terms associated with the position they are trying to fill.
For example, an employer hiring an administrative assistant might look for:
Microsoft Excel
Data entry
Scheduling
Document management
Customer service
Administrative support
Record keeping
Recruiters can use these terms to find candidates whose applications contain relevant information.
Greenhouse's official Talent Filtering documentation, updated March 2, 2026, explains that recruiters can search application text using keywords and combine those searches with different filtering criteria.
Importantly, its documented keyword search requires exact keyword matches within the application for results to appear. This is an example of why using the terminology found in a job description can be helpful, although other ATS products and features may work differently.
Should You Copy Keywords Directly From the Job Description?
You should use relevant terminology when it accurately describes your experience.
For instance, imagine an employer requests experience with Microsoft Excel, spreadsheet reporting, and data organization.
A resume that only says "computer skills" may not clearly communicate that experience.
A stronger description would be:
Used Microsoft Excel to organize records, maintain spreadsheets, and prepare routine reports.
The improved statement provides context and naturally includes relevant terminology.
However, avoid placing keywords into your resume without supporting evidence.
Repeating the same phrase multiple times does not automatically make you a stronger candidate. Recruiters still need to understand how you used the skill.
Include Both Abbreviations and Full Terms When Appropriate
Some industries use abbreviations that may not be familiar to every reader.
For example:
Search Engine Optimization (SEO)
Customer Relationship Management (CRM)
Human Resources Information System (HRIS)
Project Management Professional (PMP)
Using the full term alongside its abbreviation can improve clarity and help communicate your experience to different readers.
The goal is not to anticipate every possible search term. It is to describe your qualifications using recognizable and accurate language.
4. Does an ATS Automatically Reject Resumes Without the Right Keywords?
This is one of the biggest misconceptions about applicant tracking systems.
An ATS does not necessarily reject every resume that lacks an exact keyword match.
Some platforms primarily organize applications and help recruiters search for candidates. Others provide more advanced screening, filtering, or AI-assisted matching capabilities.
What happens depends on the software, the employer's settings, and the recruitment process.
For example, Greenhouse provides an Application Review stage where recruiters can examine applications and manually advance or reject candidates. Its documentation also describes configurable application rules that can automatically trigger actions based on applicants' answers to specific questions.
This means that certain employers may configure automatic filtering for particular eligibility requirements.
Examples might include:
Whether an applicant has a legally required professional license.
Whether the applicant meets a mandatory certification requirement.
Whether the applicant can satisfy a stated work-location requirement.
Whether the applicant can meet a required schedule.
These questions are different from simply counting how many times a keyword appears in a resume.
Some systems also offer AI-assisted candidate matching. Greenhouse, for example, documents a Talent Matching feature that compares applications with job requirements when an employer enables it.
The important distinction is that an ATS may support automated actions without necessarily making every hiring decision automatically.
5. What Happens During Recruiter Review?
After an application enters the employer's review process, recruiters can examine the candidate's profile and supporting documents.
Depending on the employer's workflow, this may happen after an initial screening stage or through a review process that combines candidate information and filtering tools.
Recruiters may evaluate several things:
Relevant work experience: Does the applicant have experience related to the responsibilities of the position?
Technical and professional skills: Can the candidate demonstrate the skills the employer needs?
Education and certifications: Does the applicant meet relevant educational, licensing, or certification requirements?
Employment history: Does the work history provide useful information about the candidate's experience and career progression?
Application responses: Did the applicant answer the employer's questions appropriately?
Overall suitability: Does the applicant appear to meet the requirements for the position?
Some employers also use structured scorecards to help interviewers evaluate candidates against predetermined skills, qualifications, and other criteria.
Greenhouse documents how its application review process allows recruiters to review candidate information, examine uploaded documents, record feedback, and move applicants forward or reject them.
This is where your resume needs to do more than contain the right keywords. It needs to provide evidence that you can perform the job.
6. What Makes a Resume ATS-Friendly?
An ATS-friendly resume should be easy for software to interpret and easy for recruiters to read.
You do not need an elaborate design or complicated formatting to demonstrate your qualifications.
In fact, a straightforward layout is often a better starting point.
Use a Simple, Single-Column Layout
A single-column structure provides a clear reading order.
Avoid unnecessary design elements such as:
Multiple columns.
Complicated tables.
Text boxes containing important information.
Skill-rating graphics.
Images and decorative icons.
Important contact information hidden in headers or footers.
CareerOneStop, sponsored by the U.S. Department of Labor, recommends using a clean, consistent resume layout and standard section headings. It also warns that some ATS platforms may scramble information contained in tables, text boxes, and graphics.
Use Standard Resume Headings
Choose familiar headings that both software and recruiters can recognize.
Examples include:
Professional Summary
Work Experience
Education
Skills
Certifications
Projects
Avoid creative section titles that make important information harder to locate.
Use Consistent Employment Dates
Present your employment history in a consistent format.
For example:
January 2023 – December 2025
Include job titles, employer names, and dates clearly. This helps readers understand your professional history and may help parsing systems organize employment information.
Follow the Required File Format
Always check the employer's application instructions.
Some systems accept PDF documents, while others may request Word documents or another format.
Do not assume that every ATS requires a Word file or that PDF documents are automatically rejected.
Use the file type specified by the employer and check the final document before uploading it.
7. Common ATS Resume Myths You Should Stop Believing
There is plenty of conflicting advice online about getting past ATS screening. Some recommendations are helpful, while others are misleading.
Here are several misconceptions worth understanding.
Myth 1: Every ATS automatically rejects resumes without enough keywords.
Reality: ATS platforms have different features. Some provide application management and search capabilities, while others support more advanced screening and matching tools.
Myth 2: You must include every keyword from the job description.
Reality: Include relevant terms that accurately reflect your qualifications. Unrelated keywords and repetitive wording do not demonstrate your ability to perform a job.
Myth 3: Every ATS rejects PDF resumes.
Reality: Supported file types vary by platform and employer configuration. Follow the application instructions rather than relying on a universal rule.
Myth 4: A beautiful resume design is always better.
Reality: Visual design matters, but complicated layouts can affect readability and parsing. Prioritize clear information and consistent formatting.
Myth 5: Passing an ATS guarantees an interview.
Reality: Being successfully processed by an ATS does not mean you have been selected. Employers still evaluate qualifications, experience, hiring priorities, and other factors.
Understanding these differences helps you focus on what actually matters: presenting a strong, relevant, and accurate application.
8. How Can AI Help You Create a Better ATS-Friendly Resume?
Preparing resumes for different job opportunities can be time-consuming, especially when you are applying for positions with different requirements.
AI-powered career tools can help simplify parts of this process.
For example, an AI resume builder can help organize your professional experience, improve descriptions, and identify ways to communicate your skills more clearly.
SmartCareerStudio provides an AI Resume Builder designed to help users create and improve professional resumes. Its other career tools, including LinkedIn Optimization and Job Search, can support different parts of the employment process.
However, AI-generated content should always be reviewed.
Check whether the suggestions accurately represent your work experience, technical abilities, education, and accomplishments. Remove statements that exaggerate your qualifications or describe responsibilities you have never performed.
A resume should represent your actual experience, not what an algorithm thinks an employer wants to see.
Conclusion
Applicant tracking systems play an important role in modern recruitment, but they are not all designed to work the same way.
Some organize applications and candidate profiles, while others provide keyword searches, filtering, screening rules, and AI-assisted matching.
Understanding resume parsing, relevant keywords, and recruiter review can help you prepare better applications and avoid common resume mistakes.
Focus on creating a clear, readable resume that demonstrates how your experience matches the position. Use relevant terminology naturally, follow application instructions, and make sure your qualifications are easy for recruiters to understand.
You do not need to find a secret formula to beat an ATS. You need to make it easier for employers to recognize what you can bring to their organization.
SmartCareerStudio can help you build and improve your resume while organizing important parts of your job-search process. Start with a resume that accurately reflects your skills, experience, and career goals.
FAQ Section
1. How does an applicant tracking system read a resume?
An ATS can use resume-parsing technology to extract information such as contact details, employment history, education, and skills. It organizes this information into a candidate profile that recruiters can review and search.
2. Do applicant tracking systems scan for keywords?
Some ATS platforms allow recruiters to search resumes and application information using specific keywords. Other systems offer additional screening or candidate-matching features. Their functionality depends on the software and employer configuration.
3. Can an ATS reject my resume automatically?
Yes, some recruiting systems support configurable automated rejection rules. For example, an employer may establish rules based on answers to specific application questions. However, not every ATS automatically rejects applicants, and some require recruiters to review and make candidate decisions.
4. What is resume parsing?
Resume parsing is the process of extracting information from an uploaded resume and organizing it into structured fields within a candidate profile. It can help recruiters collect and review candidate information more efficiently.
5. What is the best resume format for ATS?
A simple, single-column resume with standard section headings, consistent employment dates, and readable fonts is a practical choice. Avoid complicated graphics, tables, and text boxes when they may interfere with document parsing. Always follow the employer's file-format instructions.
6. Does having an ATS-friendly resume guarantee an interview?
No. An ATS-friendly resume can improve readability and help software process your information, but it cannot guarantee an interview. Employers consider qualifications, experience, application responses, hiring requirements, and other factors.
7. Can AI help me optimize my resume for applicant tracking systems?
Yes. AI can help identify relevant skills, improve resume wording, organize experience, and suggest ways to align your content with job descriptions. However, review all generated information to ensure it is accurate and reflects your actual qualifications.
Sources
Workday. Concept: Resume Parsing. Official Workday Administrator Guide. No publication date displayed; accessed November 4, 2026. Explains how resume parsing extracts information and populates candidate profile fields, including limitations related to document formatting and word order.
https://doc.workday.com/admin-guide/en-us/human-capital-management/recruiting/candidates/set-up-prospects-and-candidates/hdc1552497830785.htmlGreenhouse Support. Talent Filtering. Last updated March 2, 2026. Explains how recruiters search candidate applications using keywords and apply additional filters to identify relevant applicants.
https://support.greenhouse.io/hc/en-us/articles/27104809835291-Talent-FilteringGreenhouse Support. Application Review Stage. Last updated May 26, 2026. Explains how recruiters review applications, access candidate documents, record feedback, and advance or reject candidates.
https://support.greenhouse.io/hc/en-us/articles/4401963991707-Application-review-stageGreenhouse Support. Greenhouse Recruiting Glossary. No specific publication date displayed; accessed November 4, 2026. Defines recruitment workflow features, including configurable application rules, automatic candidate advancement, and automatic rejection.
https://support.greenhouse.io/hc/en-us/articles/11402458580379-Greenhouse-Recruiting-glossaryGreenhouse Support. Scorecard Overview. Last updated May 29, 2026. Explains how hiring teams use predetermined criteria, including skills, qualifications, and other attributes, to evaluate candidates.
https://support.greenhouse.io/hc/en-us/articles/4414777492891-Scorecard-overviewCareerOneStop, sponsored by the U.S. Department of Labor. Formatting — Resume Guide. No publication date displayed; accessed November 4, 2026. Provides recommendations for resume formatting, standard section headings, readable layouts, and ATS compatibility.
https://cloudfront.careeronestop.org/JobSearch/Resumes/ResumeGuide/formatting.aspxU.S. Equal Employment Opportunity Commission (EEOC). U.S. EEOC and U.S. Department of Justice Warn against Disability Discrimination. May 12, 2022. Explains potential disability discrimination concerns involving AI and other software tools used in employment decisions.
https://www.eeoc.gov/newsroom/us-eeoc-and-us-department-justice-warn-against-disability-discrimination